Volume 53, Number 3, February 2001
|Page(s)||328 - 334|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 December 2003|
Hysteretic clustering in granular gas
Department of Applied Physics and
J. M. Burgers Centre for Fluid Dynamics
University of Twente -
P.O. Box 217, 7500 AE Enschede, The Netherlands
Accepted: 22 November 2000
Granular material is vibro-fluidized in N=2 and N=3 connected compartments, respectively. For sufficiently strong shaking the granular gas is equi-partitioned, but if the shaking intensity is lowered, the gas clusters in one compartment. The phase transition towards the clustered state is of 2nd order for N=2 and of 1st order for N=3. In particular, the latter is hysteretic. The experimental findings are accounted for within a dynamical model that has exactly the above properties.
PACS: 45.70.-n – Granular systems
© EDP Sciences, 2001
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